Drainpipe structure



FIG. 1 is a perspective view of a drainpipe structure showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a cross-sectional view taken from lines 8-8 in FIG. 6.

The ornamental design which is claimed is shown in solid lines in the drawings. The drainpipe structure comprises a base and a stem and they together form a trophy shape for the said design. 

CLAIM The ornamental design for a drainpipe structure, as shown and described. 